SECURITY REPORT · EXTENSHI SCAN
Cleanplaats Marktplaats filter
Firefox extension·by Cleanplaats
0
/ 100 SAFETY SCORE
CAUTION
Mostly fine, but a few things worth reviewing before you install.
Automated analysis of publicly available code — not a professional security audit. It may produce false positives and does not prove an extension is unsafe or safe. Treat it as one signal among many. Disclaimer · Report an issue
How it ranks
Cleanplaats Marktplaats filter's safety score vs every other extension we've scanned
Globally
79.61%of extensions carry more risk
Riskier ←→ Safer
Ranked across every extension we scan
In its category
69.61%of its category extensions carry more risk
Riskier ←→ Safer
Ranked within its category
Findings
43
median 38Lower is safer
Risky permissions
1
median 1Critical + high perms
Total permissions
8
median 4All declared perms
Critical findings
1
median 2Severity = Critical
Findings breakdown
Automated security signal · 43 distinct issues across 6 severities
43
distinct issues
detected
detected
Scanners reported 45 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical12%
High00%
Needs Review00%
Medium3991%
Low37%
Info00%
Permissions requested
1 risky permission of 8 total
1 high-risk permission require attention
This extension requests 8 permissions in total. 1 of them grant broad capabilities that are worth a careful look.
High
View open tabs
Can see URLs and titles of all open tabs
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Monitor navigation
Can observe and track tab navigation events and URL changes
Low
Schedule tasks
Can schedule periodic background tasks
Low
Block network requests (declarative)
Can block or redirect network requests using predefined rules without seeing content
Info
*://*.marktplaats.nl/*
No additional information available.
Info
*://*.2dehands.be/*
No additional information available.
Info
*://*.2ememain.be/*
No additional information available.
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Scan performed by extenshi.io · Jul 25, 2026· partial run (some scanners failed)
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